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LSST Data Management Base Package
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Public Member Functions | |
Region | from_ivoa_pos (cls, str pos) |
str | to_ivoa_pos (self) |
A minimal interface for 2-dimensional regions on the unit sphere.
Definition at line 101 of file _continue_class.py.
Region lsst.sphgeom._continue_class.Region.from_ivoa_pos | ( | cls, | |
str | pos ) |
Create a Region from an IVOA POS string. Parameters ---------- pos : `str` A string using the IVOA SIAv2 POS syntax. Returns ------- region : `Region` A region equivalent to the POS string. Notes ----- See https://ivoa.net/documents/SIA/20151223/REC-SIA-2.0-20151223.html#toc12 for a description of the POS parameter but in summary the options are: * ``CIRCLE <longitude> <latitude> <radius>`` * ``RANGE <longitude1> <longitude2> <latitude1> <latitude2>`` * ``POLYGON <longitude1> <latitude1> ... (at least 3 pairs)`` Units are degrees in all coordinates.
Definition at line 105 of file _continue_class.py.
str lsst.sphgeom._continue_class.Region.to_ivoa_pos | ( | self | ) |
Represent the region as an IVOA POS string. Returns ------- pos : `str` The region in ``POS`` format.
Definition at line 165 of file _continue_class.py.